replace unpack() with table.unpack()

I have no idea unpack() is still used and how it still worked.

data/core/commands/findreplace.lua

@@ -36,7 +36,7 @@ local function update_preview(sel, search_fn, text)
     last_view:scroll_to_line(line2, true)
     return true
   else
-    last_view.doc:set_selection(unpack(sel))
+    last_view.doc:set_selection(table.unpack(sel))
     return false
   end
 end
@@ -44,7 +44,7 @@ end
 local function find(label, search_fn)
   last_view, last_sel, last_finds = core.active_view,
     { core.active_view.doc:get_selection() }, {}
-  local text, found = last_view.doc:get_text(unpack(last_sel)), false
+  local text, found = last_view.doc:get_text(table.unpack(last_sel)), false
 
   core.command_view:set_text(text, true)
   core.status_view:show_tooltip(get_find_tooltip())
@@ -55,8 +55,8 @@ local function find(label, search_fn)
       last_fn, last_text = search_fn, text
     else
       core.error("Couldn't find %q", text)
-      last_view.doc:set_selection(unpack(last_sel))
+      last_view.doc:set_selection(table.unpack(last_sel))
-      last_view:scroll_to_make_visible(unpack(last_sel))
+      last_view:scroll_to_make_visible(table.unpack(last_sel))
     end
   end, function(text)
     found = update_preview(last_sel, search_fn, text)
@@ -64,8 +64,8 @@ local function find(label, search_fn)
   end, function(explicit)
     core.status_view:remove_tooltip()
     if explicit then
-      last_view.doc:set_selection(unpack(last_sel))
+      last_view.doc:set_selection(table.unpack(last_sel))
-      last_view:scroll_to_make_visible(unpack(last_sel))
+      last_view:scroll_to_make_visible(table.unpack(last_sel))
     end
   end)
 end

data/core/doc/init.lua

@@ -198,9 +198,9 @@ local function selection_iterator(invariant, idx)
   local target = invariant[3] and (idx*4 - 7) or (idx*4 + 1)
   if target > #invariant[1] or target <= 0 or (type(invariant[3]) == "number" and invariant[3] ~= idx - 1) then return end
   if invariant[2] then
-    return idx+(invariant[3] and -1 or 1), sort_positions(unpack(invariant[1], target, target+4))
+    return idx+(invariant[3] and -1 or 1), sort_positions(table.unpack(invariant[1], target, target+4))
   else
-    return idx+(invariant[3] and -1 or 1), unpack(invariant[1], target, target+4)
+    return idx+(invariant[3] and -1 or 1), table.unpack(invariant[1], target, target+4)
   end
 end
 
@@ -301,7 +301,7 @@ local function pop_undo(self, undo_stack, redo_stack, modified)
     local line1, col1, line2, col2 = table.unpack(cmd)
     self:raw_remove(line1, col1, line2, col2, redo_stack, cmd.time)
   elseif cmd.type == "selection" then
-    self.selections = { unpack(cmd) }
+    self.selections = { table.unpack(cmd) }
   end
 
   modified = modified or (cmd.type ~= "selection")
@@ -335,7 +335,7 @@ function Doc:raw_insert(line, col, text, undo_stack, time)
 
   -- push undo
   local line2, col2 = self:position_offset(line, col, #text)
-  push_undo(undo_stack, time, "selection", unpack(self.selections))
+  push_undo(undo_stack, time, "selection", table.unpack(self.selections))
   push_undo(undo_stack, time, "remove", line, col, line2, col2)
 
   -- update highlighter and assure selection is in bounds
@@ -347,7 +347,7 @@ end
 function Doc:raw_remove(line1, col1, line2, col2, undo_stack, time)
   -- push undo
   local text = self:get_text(line1, col1, line2, col2)
-  push_undo(undo_stack, time, "selection", unpack(self.selections))
+  push_undo(undo_stack, time, "selection", table.unpack(self.selections))
   push_undo(undo_stack, time, "insert", line1, col1, text)
 
   -- get line content before/after removed text

data/core/tokenizer.lua

@@ -155,7 +155,7 @@ function tokenizer.tokenize(incoming_syntax, text, state)
         if count % 2 == 0 then break end
       end
     until not res[1] or not close or not target[3]
-    return unpack(res)
+    return table.unpack(res)
   end
   
   while i <= #text do